Club Log support staffed by volunteers

If you are a software developer, you can download the entire Club Log exceptions and prefix lookup data. This is encouraged as one of the driving reasons fo...

API Keys are only needed by software developers. If you are looking for an Application Password, you can get one in the Settings > App Passwords pa...

Please do not ask for an API key for use solely to delete QSOs via an HTML form. If you need to delete a QSO, upload a new ADIF and use the 'clear'...

Please do not use this approach to get the DXCC value of spots from the DX Cluster or Skimmer. For that, please use cty.xml. If you want just one DXCC ...

As well as the main upload forms within the Club Log web site, there is another way to upload files directly which is designed to help developers wishing ...

You can upload individual QSOs in real-time to Club Log using HTTP POST to https://clublog.org/realtime.php. The POST form variables are as follows. Remem...

Club Log's database is an interesting source of SCP information for general purposes. It may not suit specific contests as it is purely based on DX logs...

ADIF concepts In a normal ADIF file, it is not possible to say which QSOs have changed since the last ADIF file. This is problematic, say, when a QSL car...

Club Log's propagation charts are more properly "activity charts" - a record of when QSOs have been completed, which can be indexed by DXCCs, ...

As Club Log's most wanted list is often referred to in DX news etc, you may wish to incorporate it into other products. You can obtain a JSON array of r...